I'm not sure what I meant when I said I had not found it yet!! However, it was probably after dinner and the odd glass of tincture...
But, yes, they are on eBay - but not many with people prepared to ship to the UK.
I rooted my T1 as (a) I wanted to install a simple email facility (b) I wanted a better browser and most importantly (c) I wanted to be able to back up the device to a removable Micro SD card. The latter enabling me to replace the T1 if it ever gets lost/broken/stolen.